WASHINGTON Aetna Inc's chief executive denied on Friday that its withdrawal from some Obamacare exchanges was in retaliation for government efforts to halt its merger with Humana Inc , as he sought to convince a federal judge to approve the deal. The U.S. Justice Department sued to stop the $34 billion (£27 billion) tie-up in July, saying that it and another insurance megamerger, Anthem Inc's planned purchase of Cigna Corp , would

VIENNA Saudi Arabia has told its U.S. and European customers it will reduce oil deliveries from January, as Russia said it was confident non-OPEC producers would fully join OPEC's output limits on Saturday in the first such move since 2001.

LONDON Britain's retailers enjoyed their strongest monthly sales growth for 14 months in November, helped by a return to growth in the fashion sector for the first time since January, industry data showed on Saturday.

Reuters is the news and media division of Thomson Reuters. Thomson Reuters is the world's largest international multimedia news agency, providing investing news, world news, business news, technology news, headline news, small business news, news alerts, personal finance, stock market, and mutual funds information available on Reuters.com, video, mobile, and interactive television platforms. Learn more about Thomson Reuters products: